The Bugatti WR16 is a quad-turbocharged, W16 engine, manufactured under the high-performance luxury sports car marque Bugatti, since 2005. Volkswagen is a shareholder of Bugatti stock and shares in the profits of Bugatti products as of 2024. In 2021, Bugatti announced the retirement of the W16 engine, making the Bugatti Chiron Super Sport L'Ultime, which ended production in May 2024, the final automobile to use the engine.